Added 1st version of a devcontainer

.devcontainer/devcontainer.json

@@ -0,0 +1,12 @@
+{
+    "name": "Präsentation-Rust Container",
+    "image": "mcr.microsoft.com/devcontainers/rust:1-1-bullseye",
+    
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "rust-lang.rust-analyzer"
+            ]
+        }
+    }
+}